Michael Kostow from Los Altos, CA

Age 48
๐Ÿ“ 271 Valencia Dr, Los Altos, CA 94022
๐Ÿ“ž (415) 923-3745, (415) 845-0042, (415) 595-9155, (650) 949-1596, (617) 901-2992, (408) 559-2025
โœ‰๏ธ michaelkoston@aol.com, mkostow@comcast.net, mkostow@yahoo.com

Michael J Kostow

Age 51 b. 1974-05-06
๐Ÿ“ 271 Valencia Dr, Los Altos Ca
๐Ÿ“ž (415) 595-9155, (650) 949-1596, (408) 559-2025
โœ‰๏ธ MKOSTOW@YAHOO.COM, mkostow@yahoo.com

Michael Kostow from New York, NY

Age 58
๐Ÿ“ 652 Broadway #8r, New York, NY 10012
๐Ÿ“ž (212) 420-0820, (212) 420-0820, (212) 889-5517, (631) 749-3440
โœ‰๏ธ kka2000@aol.com
๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง Relatives: Clare Kostow,Max M Kostow

Michael Kostow from San Francisco, CA

Age 51 b. May 1974 San Francisco Co.
๐Ÿ“ 3245 Clay St Apt 1
๐Ÿ“ž (415) 845-0042
๐Ÿ‘ค aka Michael J Kostow

Michael Kostow from Los Altos, CA

Age 52 b. 1974 Male
๐Ÿ“ 271 Valencia Dr
๐Ÿ“ž (415) 595-9155 (Cell)

Michael Kostow from Norristown, PA

Age 101 b. 1925 Male
๐Ÿ“ 224 Lincoln Ter
๐Ÿ“ž (610) 539-7653

Michael Kostow from Shelter Island Heights, NY

Age 69 b. Jul 1956 Suffolk Co.
๐Ÿ“ 6 Nicole Pl Unit F

Michael Kostow from San Francisco, CA

Age 51 b. May 1974 San Francisco Co.
๐Ÿ“ 2845 Van Ness Ave 205
๐Ÿ‘ค aka Kostow Michael Jason

Michael Kostow from Norristown, PA

Montgomery Co.
๐Ÿ“ 1403 W Main St

Michael Kostow from Norristown, PA

๐Ÿ“ 224 Lincoln Te
๐Ÿ‘ค aka Kostow Michael

Source: Public Records Aggregators ยท Commercial Data Providers ยท Consumer Data Sources Our search returned 10 contact records for Michael Kostow across 3 states. The most recent address on file is in Los Altos, California. Of these records, 6 include phone numbers and 3 include email addresses. Ages range from 48 to 58, which may indicate multiple individuals sharing this name. Records are compiled from government agencies and commercial data sources. Data accuracy varies by source.

Michael Kostow

2021 Suffolk County
· 6F Nicoll, Shelter Island

Michael Kostow

2022 Suffolk County
· 6F Nicoll, Shelter Island

Michael Kostow

2024 Suffolk County
· 6F Nicoll, Shelter Island

Michael Kostow

2023 Suffolk County
· 6F Nicoll, Shelter Island

Source: County Assessor Records ยท County Recorder Offices ยท State Property Tax Databases We found 4 property records linked to Michael Kostow. Values shown are from county assessor records and may differ from current market prices.

Michael G Kostow

Democrat
6f Nicol Pl, 2, 11964
DOB: 19560724 Gender: Male

Michael G Kostow

Democrat
652 Broadway, 0, 10012
DOB: 19560724 Gender: Male

Source: State Election Offices ยท Secretary of State Voter Files ยท Board of Elections 2 voter registration records were found for Michael Kostow. Party affiliation is listed as DEM. Voter data is released as public information under state election laws and reflects status at time of the state data release.

2009 Audi A4
ยท Registered to: Michael Kostow
ยท VIN: WAULF78K89N033061
·
271 Valencia Dr, Los Altos, CA, 94022-2260

Source: State DMV Records ยท DPPA-Compliant Data Providers ยท Vehicle Registration Databases 1 vehicle registration record is associated with Michael Kostow. Registered makes include Audi. The most recent model year on record is 2009. Vehicle data is obtained through DPPA-compliant providers and is regulated under the federal Driver's Privacy Protection Act.

Michael Kostow

mkostow@yahoo.com

Kostow Greenwood Architects PC

President
(212) 334-0116
New York, NY
Engineering, Management, Accounting, Research and Related Industries (Services)

Kostow Greenwood Architects

Owner
(212) 334-0116
New York, NY
Engineering, Management, Accounting, Research and Related Industries (Services)

Kostow Greenwood Architects Pc

Michael KostowOwner; CEO
(212) 334-0116Michael@kostowgreenwood.com
New York, NY10012

Kostow Real Estate, Michael

Michael Kostow
(610) 539-7682mkostow@e-realpro.com
Norristown, 19403PA

Michael Kostow

Founding Principal
Kostow Greenwood Architects LLP
New York, New York, United States Architecture & Planning

Michael Kostow

Founding Principal
Kostow Greenwood Architects LLP

Holy Infant Of Prague Cath Chr

Michael KostowReligious Leader
JEFFERSONmkostow@earthlink.net
215 Hewitt St, Trussville, AL35173

Michael Kostow

COO at Pardot ยท San Francisco Bay Area

Source: State Secretary of State ยท SEC EDGAR ยท LinkedIn Professional Data ยท Business Registries 20 business affiliations were found for Michael Kostow. Companies include Kostow Greenwood Architects PC, Kostow Greenwood Architects, Kostow Greenwood Architects Pc and 3 more. Roles listed include Null and SVP And GM @ Salesforce Pardot. Records are compiled from state business registries, SEC filings, and professional networking databases.

Inventor Record

Michael Kostow - NORRISTOWN

Source: USPTO Patent Database ยท U.S. Patent & Trademark Office Michael Kostow is listed as an inventor or co-inventor on 1 USPTO patent. Patent data is public information published by the United States Patent and Trademark Office upon grant or application publication.

$500 Sep 19, 2020
2020 DEM
Harrison, Jaime
Kostow, Michael Software @ Salesforce Los Altos, CA
$100 Oct 14, 2000
2000 REP
Tulli, Frank
Kostow, Michael Norristown, PA
$100 Oct 1, 2018
2018 DEM
O Rourke, Robert Beto
Kostow, Michael Archtect @ Self New York, NY
$500 Sep 19, 2020
DEM
Harrison, Jaime
Contributor Software @ Salesforce Los Altos, CA
$500 Sep 19, 2020
Unknown Committee
Kostow, Michael Software @ Salesforce Los Altos, CA

Source: FEC Disclosure Database ยท State Ethics Commissions ยท Stanford DIME Project 5 political contribution records found for Michael Kostow. Total disclosed contributions amount to $1,700. Recipients include Harrison, Jaime. Federal law requires disclosure of contributions above $200 to federal candidates.

MP

Michael Kostow

Age 43 Male
·
271 Valencia Dr, Los Altos, CA 94022 (Santa Clara County)
37.3865, -122.1120
· (415) 595-9155
TZ: Pacific
Homeowner Single Family Built 1963 Purchased 2011
MP

Michael Kostow

Age 91 Male
·
114 Laurel House, Lansdale, PA 19446 (Montgomery County)
40.2059, -75.3472
· (610) 539-7653
Marital: Married TZ: Eastern
Occ: White Collar Edu: Some College
Single Family
MP

Michael G Kostow

Age 71 Male
·
652 Broadway, New York, NY 10012 (New York County)
40.7267, -73.9957
· (212) 420-0820
Marital: Married TZ: Eastern
Occ: Education Edu: Some College
Homeowner Multi-Family

Source: Consumer Marketing Databases ยท Commercial Data Aggregators Marketing databases contain 3 demographic profiles associated with Michael Kostow. This data is compiled from commercial aggregators and may include estimated income ranges, lifestyle indicators, and household characteristics. Accuracy is not guaranteed.

๐Ÿ—๏ธ

Unknown

MANHATTAN
A2 SIGNED OFF
๐Ÿ—๏ธ

Michael Kostow

MANHATTAN

RA

๐Ÿ—๏ธ

Michael Kostow

MANHATTAN
#120932081

RA

๐Ÿ“ 770 RIVERSIDE DRIVE, MANHATTAN

A2 Completed/Signed

REPLACE CONCRETE ENTRY STAIR AS SHOWN ON DRAWINGS FILED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

Source: City Building Departments ยท DOB Permit Databases ยท Construction Records Building permit records from city and county building departments. Shows construction, renovation, and demolition permits associated with properties linked to this individual. Permit data is public record maintained by local government.

Find Michael Kostow on the map

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Michael Kostow in Los Altos, CA: Background Summary

Location
271 Valencia Dr, Los Altos Ca, Los Altos, CA
Other Locations
Los Altos, CA ยท San Francisco, CA ยท Norristown, PA and 1 more
Profiles Found
10 people with this name
Phone Numbers
(415) 923-3745 and 7 others on file
Email
michaelkoston@aol.com and 3 others on file
Possible Relatives
Clare Kostow, Max M Kostow
Career
SVP And GM @ Salesforce Pardot, SVP And COO @ Salesforce Pardot at Kostow Greenwood Architects PC, Kostow Greenwood Architects
Voter Registration
Registered Democrat
Vehicles
1 linked โ€” 2009 Audi A4
Contributions
$1,700 total โ€” Harrison, Jaime

This information is compiled from publicly available records and may include data for multiple individuals with similar names. Data may contain inaccuracies or be incomplete. This information should not be used for employment screening, tenant screening, credit decisions, or any purpose covered by the Fair Credit Reporting Act (FCRA). Always verify information independently before making any decisions.

How to Read This Report

This page aggregates publicly available records from government agencies, court systems, and official registries into a single report for Michael Kostow. Because public records are indexed by name rather than by a unique identifier, the 54 results displayed here may include information belonging to multiple individuals who share the same name โ€” a common occurrence, especially for frequently appearing names. To determine which records belong to the person you are researching, compare the location, approximate age, and any associated details across entries. Records that share an address or overlapping timeframe are more likely to refer to the same individual.

What Each Data Category Means

Property Records

Property records originate from county assessor and recorder offices, where real estate transactions, ownership transfers, and tax assessments are documented as a matter of public record. The assessed value shown for a property is the figure used by the county to calculate property taxes and frequently differs from the property's current market value โ€” in many jurisdictions assessed values lag behind market conditions by several years. A property record updates whenever a new deed, lien, or assessment is filed with the county, so the ownership and valuation data shown here reflects the most recent filing available in our sources rather than a real-time snapshot.

Voter Registration

Voter registration data is maintained by state and county election offices and is considered public record under the election laws of most states. The party affiliation shown reflects the voter's registration at the time the record was filed; it does not necessarily indicate current political preferences, as voters may change their affiliation or register differently in subsequent elections. Not all states make their voter files publicly available โ€” some restrict access or redact certain fields such as date of birth or residential address โ€” so the completeness of voter data varies by state. Registration status (active or inactive) indicates whether the election office considers the registration current, not whether the person actually voted in recent elections.

Business and Professional Records

Business records are compiled from state Secretary of State filings, SEC EDGAR corporate disclosures, and professional networking data. When a person appears as an officer, director, or registered agent, it reflects a formal role filed with a government agency โ€” these are legal positions of responsibility, not informal job titles. Records sourced from professional profiles represent information that individuals have chosen to make publicly available about their career history, skills, and affiliations. Business entity registrations show current or historical standing with the state, but a listing does not guarantee the entity is still actively operating.

Campaign Finance Contributions

Federal election law requires the disclosure of political contributions exceeding $200 to any single committee in a calendar year. These records are filed with the Federal Election Commission (FEC) and include the donor's name, mailing address, employer, occupation, and the amount contributed. Contributions to state and local candidates are governed by each state's campaign finance laws, which may set different disclosure thresholds. The data shown here reflects what was reported in official filings and may include contributions made over the course of many election cycles, so the dates and amounts should be read in their historical context.

Vehicle Records

Vehicle ownership records are obtained through sources that comply with the Driver's Privacy Protection Act (DPPA), the federal law that governs who may access motor vehicle records and for what purposes. The records shown indicate vehicles that have been registered to this individual through state DMV systems. Vehicle data may include make, model, year, and VIN, and reflects registration information at the time the record was filed. Vehicles that have been sold, traded, or transferred may still appear until the registration is updated in the state's records.

Patent Filings

Patent data is drawn from the United States Patent and Trademark Office (USPTO). Being listed as an inventor on a patent means this individual is credited as having made a substantive intellectual contribution to the invention described in the patent application. Patent records include the filing date, grant date, patent number, and a description of the invention. A patent listing does not indicate that the inventor currently owns the patent rights โ€” patents are frequently assigned to employers or transferred between entities after they are granted.

Important Limitations

Public records may contain outdated information, data entry errors, or records that belong to a different person who shares the same name as the individual you are researching. Government agencies update their records on varying schedules, and the data shown here may not reflect the most recent changes. Information on this page is provided for informational purposes only and should not be used for employment screening, tenant screening, credit decisions, or any other purpose regulated by the Fair Credit Reporting Act (FCRA). Always verify critical details through the originating government agency or official registry.

Your Rights

If you are the person described in these records, you have rights regarding your personal data. Under laws including the California Consumer Privacy Act (CCPA) and similar state privacy statutes, you may request the deletion or correction of your personal information. To submit a removal request, visit our opt-out page. For a complete description of how we collect, use, and protect personal data, please review our privacy policy.

Search Results Analysis for Michael Kostow

Search Complexity: High

54 public records across 5states, belonging to approximately 10 different individuals. With 10 distinct profiles across 5 states, additional identifying information such as a middle name, age, or city will significantly narrow these results.

For this search, the Political Contribution Records section may be most helpful for disambiguation because these records include employer and occupation, which are strong distinguishing fields.

Geographic Distribution

Records are widely distributed across 5 states. Highest concentration: California (19%), followed by New York and Pennsylvania. Spans the Northeast and West regions.

CA10recordsNY9recordsPA4recordsAL1recordIN1record

Record Type Breakdown

Data spans 7 record categories. Largest: Business & Corporate Filings (42%), which reveal professional roles and employer history. Also includes Contact & Address Records (15) and Political Contribution Records (5).

20
Business & Corporate Filings
15
Contact & Address Records
5
Political Contribution Records
4
Property Ownership Records
2
Voter Registration Records
1
Vehicle Registration Records

Age Distribution

Age range: approximately 22 years, suggesting multiple generations. Largest group: Senior (65+) (25%).

Senior (65+)1personMiddle-Age (40-64)3people

Use the age information shown on individual record cards to help identify the correct person.

Frequently Asked Questions About Michael Kostow

Is Michael Kostow a registered voter?
Yes, voter registration records show Michael Kostow is registered with DEM affiliation. We found 2 voter registration entries across 0 states. Voter registration data is public record maintained by state election offices and released under state sunshine laws.
Does Michael Kostow own property?
County assessor records show 4 properties associated with Michael Kostow . Assessed values are determined by county tax assessors and may differ from market value. These records are sourced from county recorder and assessor offices.
What vehicles are registered to Michael Kostow?
Records show 1 vehicle registration associated with Michael Kostow, including a 2009 Audi A4. Vehicle registration data is obtained through DPPA-compliant providers and is regulated under the federal Driver's Privacy Protection Act.
What businesses are associated with Michael Kostow?
We found 20 business affiliations for Michael Kostow (null). Other companies include Kostow Greenwood Architects, Kostow Greenwood Architects Pc. Business records are compiled from state registries, SEC filings, and professional databases.
Has Michael Kostow made political donations?
FEC disclosure records show 5 reported political contributions from Michael Kostow, totaling $1,700. Recipients include Harrison, Jaime. Federal law requires disclosure of individual contributions exceeding $200.
How many records exist for Michael Kostow?
Our database contains 54 total records for Michael Kostow spanning 5 states. This includes 10 distinct contact records, 6 with phone numbers, 3 with email addresses. Multiple records may represent different individuals sharing the same name. All data is compiled from publicly available government and commercial sources.
How accurate is the information shown for Michael Kostow?
The 54 records displayed for Michael Kostow are aggregated from government agencies, county offices, and official registries. While we source from authoritative databases, records can contain outdated information or belong to a different person with the same name. We recommend verifying important details through the original issuing agency before making decisions based on this data.
Can Michael Kostow remove this information?
Yes, any individual has the right to request removal of their personal information. Submit a free removal request through our opt-out page. Under the CCPA and similar state privacy laws, you can request deletion of your data. Removal is completed within 48 hours. You do not need to create an account.
Can I use this data for background checks or screening?
No. OpenDataUSA is not a Consumer Reporting Agency under the FCRA. These records may not be used for employment screening, tenant evaluation, credit decisions, insurance underwriting, or any other FCRA-regulated purpose. For official background checks, use an FCRA-compliant service.